5187200609 has 2 divisors, whose sum is σ = 5187200610. Its totient is φ = 5187200608.

The previous prime is 5187200597. The next prime is 5187200647. The reversal of 5187200609 is 9060027815.

It is an a-pointer prime, because the next prime (5187200647) can be obtained adding 5187200609 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4757550625 + 429649984 = 68975^2 + 20728^2 .

It is a cyclic number.

It is not a de Polignac number, because 5187200609 - 2²⁸ = 4918765153 is a prime.

It is not a weakly prime, because it can be changed into another prime (5187200699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593600304 + 2593600305.

It is an arithmetic number, because the mean of its divisors is an integer number (2593600305).

Almost surely, 2^5187200609 is an apocalyptic number.

It is an amenable number.

5187200609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5187200609 is an equidigital number, since it uses as much as digits as its factorization.

5187200609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 5187200609 is about 72022.2230217868. The cubic root of 5187200609 is about 1731.0555898697.

The spelling of 5187200609 in words is "five billion, one hundred eighty-seven million, two hundred thousand, six hundred nine".